Problem A
Hardware — Problem Statistics

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Submissions	1142
Accepted submissions	600
Submission ratio	52.54%
Authors	586
Full solves [?]	524
Full solve Ratio	89.42%

#	User	Runtime	Language	Date
1	Ehsan Shoja	0.00 s	C	2018-06-06 02:41:23
2	Ivan Petrov	0.00 s	C	2019-09-10 14:02:21
3	Sambit Palit	0.00 s	C	2020-09-15 18:06:03
4	PhilCampbell	0.00 s	C	2021-02-18 12:55:31
5	Mikael K Eriksson	0.00 s	C	2021-04-05 10:42:49
6	Max Nilsson	0.00 s	C	2022-05-04 15:44:04
7	Mirel Cosulschi	0.00 s	C	2025-03-28 21:50:25

#	User	Runtime	Language	Date
1	Göran Andersson	0.02 s	C#	2022-05-19 15:16:29
2	Mikael Fiala-Lundström	0.03 s	C#	2021-06-06 22:02:21
3	Gustav Junedahl	0.03 s	C#	2022-04-25 13:03:46

#	User	Runtime	Language	Date
1	David Cawthon	0.01 s	Common Lisp	2021-01-16 06:16:24
2	Hidden user	0.02 s	Common Lisp	2019-06-13 02:40:02

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2022-10-16 08:49:45

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-05-13 18:28:59

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2018-01-07 04:16:28
2	Hidden user	0.00 s	Haskell	2023-01-19 11:08:33
3	Ola Berglund	0.00 s	Haskell	2023-10-12 20:45:00
4	Steinar Simonnes	0.00 s	Haskell	2024-05-23 13:13:26
5	Hidden user	0.01 s	Haskell	2019-10-07 07:46:03
6	Jan Hrček	0.01 s	Haskell	2021-03-19 14:44:55

#	User	Runtime	Language	Date
1	Steven Cheng	0.06 s	Java	2018-05-21 17:12:26
2	Charley Sheaffer	0.06 s	Java	2018-10-17 15:59:23
3	Sven Rönnbäck	0.06 s	Java	2022-02-04 21:36:56
4	Doug Goodman	0.08 s	Java	2017-12-19 18:22:57
5	Tan Wang Leng	0.08 s	Java	2018-07-08 08:03:09
6	Crystal Sharpe	0.08 s	Java	2020-01-01 20:43:22
7	Kyle Kelly	0.09 s	Java	2018-05-30 13:44:47
8	Victor A Martynov	0.09 s	Java	2018-09-05 14:15:06
9	Mike Nguyen	0.09 s	Java	2021-10-09 18:07:57
10	Raymond Arrington	0.09 s	Java	2024-06-30 18:52:03

#	User	Runtime	Language	Date
1	LÊ QUANG ANH TUẤN	0.04 s	JavaScript (Node.js)	2025-01-02 13:43:51
2	Gurpartap Singh Bhatti	0.06 s	JavaScript (Node.js)	2019-06-18 04:52:17
3	Peter Kedemo	0.42 s	JavaScript (Node.js)	2020-01-06 18:48:44
4	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-24 17:35:32

#	User	Runtime	Language	Date
1	Fredrik Ekholm	0.01 s	JavaScript (SpiderMonkey)	2017-11-21 18:43:33
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2018-02-02 22:30:12
3	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-25 09:40:53
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-12 10:35:50
5	Samuel Jefferis	0.03 s	JavaScript (SpiderMonkey)	2020-10-22 21:18:18
6	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-10-12 12:06:09

#	User	Runtime	Language	Date
1	Timothy Gaede	0.72 s	Julia	2024-05-19 01:37:48

#	User	Runtime	Language	Date
1	Hidden user	0.16 s	Kotlin	2019-12-16 17:36:32
2	Ola Sundell	0.19 s	Kotlin	2018-08-30 11:51:12
3	Adam Rankin	0.19 s	Kotlin	2023-09-15 20:41:04
4	Neil Harmon	0.21 s	Kotlin	2019-07-11 10:21:51
5	Martijn Muijsers	0.21 s	Kotlin	2024-06-02 14:54:11

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-02-22 07:23:09

#	User	Runtime	Language	Date
1	Alexander Westberg-Bladh	0.03 s	Python 2	2017-11-22 15:37:38
2	Johan Wind	0.03 s	Python 2	2018-03-29 18:22:42
3	Nick Wu	0.03 s	Python 2	2018-08-04 01:26:49
4	Jesper Öqvist	0.03 s	Python 2	2018-10-27 08:33:05
5	Andreas Björklund	0.03 s	Python 2	2019-03-10 17:33:03
6	Thomas Feld	0.03 s	Python 2	2019-09-16 06:49:13
7	Justin Su	0.03 s	Python 2	2019-09-27 23:12:07
8	Yanmarshus Bachtiar	0.03 s	Python 2	2020-08-18 13:12:19
9	Johan Lyts	0.03 s	Python 2	2020-12-27 21:08:39

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2017-11-21 17:46:39
2	Nathan Helgeson	0.02 s	Python 3	2017-11-21 20:29:01
3	Ciara Godwin	0.02 s	Python 3	2017-11-23 17:10:49
4	James Hamm	0.02 s	Python 3	2017-12-17 17:23:13
5	Ram Basnet	0.02 s	Python 3	2017-12-31 07:04:48
6	Martin Seiler	0.02 s	Python 3	2018-01-01 09:24:11
7	Hidden user	0.02 s	Python 3	2018-01-20 20:13:01
8	Ryan Beck	0.02 s	Python 3	2018-02-20 22:47:51
9	Noah Ó Donnaile	0.02 s	Python 3	2018-04-11 12:52:04
10	Ranald Lam	0.02 s	Python 3	2018-04-25 06:18:20

#	User	Runtime	Language	Date
1	Kok Dith	0.05 s	Ruby	2021-08-25 13:45:00

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-01-07 04:48:48

#	User	Length	Language	Date
1	Mikael K Eriksson	1054	C	2021-04-05 10:42:49
2	PhilCampbell	1284	C	2021-02-18 12:55:31
3	Ivan Petrov	1376	C	2019-09-10 14:02:21
4	Mirel Cosulschi	1597	C	2025-03-28 21:50:25
5	Ehsan Shoja	1923	C	2018-06-06 02:41:23
6	Sambit Palit	1985	C	2020-09-15 18:06:03
7	Max Nilsson	2631	C	2022-05-04 15:44:04

#	User	Length	Language	Date
1	Göran Andersson	1382	C#	2022-05-19 15:16:29
2	Gustav Junedahl	2204	C#	2022-04-25 13:03:46
3	Mikael Fiala-Lundström	2570	C#	2021-06-06 22:02:21

#	User	Length	Language	Date
1	Duarte Nóbrega	819	C++	2019-03-08 16:30:40
2	Markus Mathiasen	841	C++	2021-09-24 08:06:08
3	William Gan	859	C++	2018-04-25 06:34:16
4	Đoàn Công Chính	908	C++	2018-12-11 09:06:40
5	Grae Yeandle	911	C++	2018-04-03 16:17:45
6	Hyunjun Lee	924	C++	2022-11-10 03:59:27
7	Wen Hao	943	C++	2022-11-19 06:26:00
8	人外沙耶	955	C++	2020-11-03 09:35:45
9	Austin Fernandez	966	C++	2019-08-08 15:53:18
10	Hidden user	982	C++	2018-04-24 02:46:06

#	User	Length	Language	Date
1	David Cawthon	1188	Common Lisp	2021-01-16 06:16:24
2	Hidden user	1470	Common Lisp	2019-06-13 02:40:02

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	2546	F#	2022-10-16 08:49:45

#	User	Length	Language	Date
1	Norbert Voelker	2126	Go	2021-05-13 18:28:59

#	User	Length	Language	Date
1	Hidden user	1284	Haskell	2023-01-19 11:08:33
2	Jan Hrček	1458	Haskell	2021-03-19 14:44:55
3	Ola Berglund	1665	Haskell	2023-10-12 20:45:00
4	Brent Yorgey	2049	Haskell	2018-01-07 04:16:28
5	Steinar Simonnes	2154	Haskell	2024-05-23 13:13:26
6	Hidden user	9124	Haskell	2019-10-07 07:46:03

#	User	Length	Language	Date
1	Doug Goodman	1087	Java	2017-12-19 18:22:57
2	Caeden Whitaker	1114	Java	2020-07-27 14:22:44
3	Jared Rivera	1326	Java	2023-03-17 05:21:57
4	Raymond Arrington	1339	Java	2024-06-30 18:52:03
5	Leo Westerberg	1423	Java	2019-07-03 14:33:05
6	Nanda Thant Sin	1436	Java	2019-08-08 10:53:34
7	Garrison Hatcher	1465	Java	2019-10-27 20:49:17
8	Victor Nguyen	1485	Java	2020-06-21 18:58:34
9	Victor A Martynov	1553	Java	2018-09-05 14:15:06
10	Leon Fong	1573	Java	2021-12-22 03:44:48

#	User	Length	Language	Date
1	Peter Kedemo	1501	JavaScript (Node.js)	2020-01-06 18:48:44
2	Gurpartap Singh Bhatti	1629	JavaScript (Node.js)	2019-06-18 04:52:17
3	LÊ QUANG ANH TUẤN	1974	JavaScript (Node.js)	2025-01-02 13:43:51
4	Andoko Chandra	2138	JavaScript (Node.js)	2020-10-24 17:35:32

#	User	Length	Language	Date
1	Jimmy Gustafsson	404	JavaScript (SpiderMonkey)	2024-08-12 10:37:32
2	Peter Menyes	751	JavaScript (SpiderMonkey)	2021-10-12 12:06:09
3	Bjørn Chr. Soltvedt	774	JavaScript (SpiderMonkey)	2018-02-02 22:30:12
4	Christian Pilegaard Cederquist	924	JavaScript (SpiderMonkey)	2023-01-25 09:40:53
5	Fredrik Ekholm	1177	JavaScript (SpiderMonkey)	2017-11-21 18:43:33
6	Samuel Jefferis	1913	JavaScript (SpiderMonkey)	2020-10-22 21:18:18

#	User	Length	Language	Date
1	Timothy Gaede	1642	Julia	2024-05-19 01:37:48

#	User	Length	Language	Date
1	Adam Rankin	1118	Kotlin	2023-09-15 20:41:04
2	Martijn Muijsers	1643	Kotlin	2024-06-02 14:54:11
3	Hidden user	1840	Kotlin	2019-12-16 17:36:32
4	Neil Harmon	2035	Kotlin	2019-07-11 10:21:51
5	Ola Sundell	2466	Kotlin	2018-08-30 11:51:12

#	User	Length	Language	Date
1	Ingemar Ragnemalm	2638	Pascal	2018-02-22 07:23:09

#	User	Length	Language	Date
1	Thomas Feld	414	Python 2	2019-09-16 06:49:13
2	Justin Su	564	Python 2	2019-09-27 23:12:24
3	Johan Wind	656	Python 2	2018-03-29 18:22:42
4	Andreas Björklund	674	Python 2	2019-03-10 17:33:03
5	Jesper Öqvist	707	Python 2	2018-10-27 08:33:05
6	Johan Lyts	840	Python 2	2020-12-27 21:08:39
7	Nick Wu	940	Python 2	2018-08-04 01:26:49
8	Yanmarshus Bachtiar	1238	Python 2	2020-08-18 13:12:19
9	Alexander Westberg-Bladh	1269	Python 2	2017-11-22 15:37:38

#	User	Length	Language	Date
1	Thibault Raffaillac	486	Python 3	2020-02-25 14:11:33
2	Yong Mao	501	Python 3	2023-12-08 09:46:05
3	Hidden user	510	Python 3	2020-08-08 23:54:34
4	Yohannes Melese	546	Python 3	2021-09-14 07:48:05
5	Alexei Fedotov	558	Python 3	2019-01-24 12:17:16
6	Ahmed Chamseddine	575	Python 3	2024-12-06 23:08:44
7	Hidden user	602	Python 3	2020-10-20 17:02:42
8	Jason Cannon	612	Python 3	2019-11-21 20:19:32
9	Lim Hong Hui Eugene	625	Python 3	2021-07-06 08:39:26
10	Leslie Yip	627	Python 3	2022-09-07 02:01:23

#	User	Length	Language	Date
1	Kok Dith	641	Ruby	2021-08-25 13:45:00

#	User	Length	Language	Date
1	Bas Dirks	2012	Rust	2022-01-07 04:48:48

Solution running time distribution